02.report_system-01

goal = int(input())

product_num = -1
sum_collect = 0
cash_transactions = 0
card_transactions = 0
cash_collect = 0
card_collect = 0

while goal > sum_collect:
    command = input()
    product_num += 1
    if command.isnumeric():
        command = int(command)
    else:
        print('Failed to collect required money for charity.')
        break
    if command <= 100 and product_num % 2 == 0:
        sum_collect += command
        cash_collect += command
        print('Product sold!')
        cash_transactions += 1

    elif command >= 10 and product_num % 2 == 1:
        sum_collect += command
        card_collect += command
        print('Product sold!')
        card_transactions += 1

    else:
        print('Error in transaction!')
        continue

if sum_collect >= goal:
    print(f'Average CS: {cash_collect / cash_transactions:.2f}')
    print(f'Average CC: {card_collect / card_transactions:.2f}')